Boris Johnson delivers daily coronavirus press briefing

The video discusses the UK's strategy to control COVID-19 by replacing national lockdowns with targeted isolation and local actions. It emphasizes the importance of NHS testing and contact tracing to prevent virus spread. The video outlines protocols for testing and isolation, urging individuals with symptoms to get tested and isolate if contacted by tracers. Additionally, it highlights measures to prevent re-importing the virus from abroad.

What is the importance of isolating after being in contact with a positive case?

What actions are being taken to prevent the re-importation of the virus from abroad?